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mips.md (casesi_internal_di): Calculate the index into the target offset table correctly.

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2002-02-07  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal_di): Calculate
        the index into the target offset table correctly.

From-SVN: r49623
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Chris Demetriou 2002-02-08 22:46:27 +00:00 • committed by Chris Demetriou
parent fdf473ae1b
commit 6a5ea3f4ab
2 changed files with 9 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-02-07 Chris Demetriou <cgd@broadcom.com>
* config/mips/mips.md (casesi_internal_di): Calculate
the index into the target offset table correctly.
2002-02-08 Richard Henderson <rth@redhat.com>
* expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.

6
gcc/config/mips/mips.md
View file

@ -9481,16 +9481,18 @@ lw\\t%2,%1-%S1(%2)\;addu\\t%2,%2,$31\;j\\t%2"
(set_attr "mode" "none")
(set_attr "length" "24")])
;; This code assumes that the table index will never be >= 29 bits wide,
;; which allows the 'sign extend' from SI to DI be a no-op.
(define_insn "casesi_internal_di"
[(set (pc)
(mem:DI (plus:DI (sign_extend:DI
(mult:SI (match_operand:SI 0 "register_operand" "d")
(const_int 4)))
(const_int 8)))
(label_ref (match_operand 1 "" "")))))
(clobber (match_operand:DI 2 "register_operand" "=d"))
(clobber (reg:DI 31))]
"TARGET_EMBEDDED_PIC"
"%(bal\\t%S1\;sll\\t%2,%0,2\\n%~%S1:\;addu\\t%2,%2,$31%)\;\\
"%(bal\\t%S1\;sll\\t%2,%0,3\\n%~%S1:\;daddu\\t%2,%2,$31%)\;\\
ld\\t%2,%1-%S1(%2)\;daddu\\t%2,%2,$31\;j\\t%2"
[(set_attr "type" "jump")
(set_attr "mode" "none")